[ovs-discuss] OVN + Openstack Issues

Martin Mailand martin at tuxadero.com
Sat Jan 21 15:42:37 UTC 2017


Hi,

I tried to use OVN with Openstack, but I ran into an Issue.

I use the OVN packages from the Canonical Cloud archive:

On the controller node:
ii  ovn-central                      2.6.0-0ubuntu2~cloud0                   amd64        OVN central components
ii  ovn-common                       2.6.0-0ubuntu2~cloud0                   amd64        OVN common components
ii  ovn-host                         2.6.0-0ubuntu2~cloud0                   amd64        OVN host components
ii  python-networking-ovn            1.0.1.dev4.201610261100.xenial-0ubuntu1 all          OpenStack virtual network service - OVN driver

On the compute node:

ii  ovn-common                           2.6.0-0ubuntu2~cloud0                          amd64        OVN common components
ii  ovn-host                             2.6.0-0ubuntu2~cloud0                          amd64        OVN host components

If I create a network in Openstack I can see it in the norhd.

ovn-nbctl show
    switch 5cd02e8c-aa16-4246-932e-c1455958daa6 (neutron-83a25bd6-494b-4d9d-ba74-e824a8efb826)

And I can see my compute nodes

ovn-sbctl show
Chassis "4a191104-a3b6-4bde-82ee-1a09ea1b9f17"
    hostname: "compute03"
    Encap vxlan
        ip: "172.16.44.130"
        options: {csum="true"}
    Encap geneve
        ip: "172.16.44.130"
        options: {csum="true"}
Chassis "b0623e67-a2cf-4802-9343-807383e3eb94"
    hostname: "compute01"
    Encap geneve
        ip: "172.16.44.17"
        options: {csum="true"}
    Encap vxlan
        ip: "172.16.44.17"
        options: {csum="true“}


But if I try to start a VM I get an error in the neutron-server log, could you please advise me
where my mistake is?

Best regards, 
martin 

log:

2017-01-21 15:33:42.239 10877 ERROR neutron.agent.ovsdb.impl_idl [req-fee0a2c8-b205-4e1e-8756-026880fe84cd 44ea98f941ce412d999b3c3dd7fe1dad afc5c0f383314e74bdd6bf1e3afbf509 - - -] Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/neutron/agent/ovsdb/native/connection.py", line 115, in run
    txn.results.put(txn.do_commit())
  File "/usr/lib/python2.7/dist-packages/neutron/agent/ovsdb/impl_idl.py", line 105, in do_commit
    ctx.reraise = False
  File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
    self.force_reraise()
  File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
    six.reraise(self.type_, self.value, self.tb)
  File "/usr/lib/python2.7/dist-packages/neutron/agent/ovsdb/impl_idl.py", line 100, in do_commit
    command.run_idl(txn)
  File "/usr/lib/python2.7/dist-packages/networking_ovn/ovsdb/commands.py", line 712, in run_idl
    raise RuntimeError(msg)
RuntimeError: Address set as_ip4_c67f0b5b_ce6f_4a82_aa48_803f00b15300 does not exist. Can't update addresses

2017-01-21 15:33:42.240 10877 ERROR neutron.plugins.ml2.managers [req-fee0a2c8-b205-4e1e-8756-026880fe84cd 44ea98f941ce412d999b3c3dd7fe1dad afc5c0f383314e74bdd6bf1e3afbf509 - - -] Mechanism driver 'ovn' failed in create_port_postcommit
2017-01-21 15:33:42.240 10877 ERROR neutron.plugins.ml2.managers Traceback (most recent call last):
2017-01-21 15:33:42.240 10877 ERROR neutron.plugins.ml2.managers   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/managers.py", line 433, in _call_on_drivers
2017-01-21 15:33:42.240 10877 ERROR neutron.plugins.ml2.managers     getattr(driver.obj, method_name)(context)
2017-01-21 15:33:42.240 10877 ERROR neutron.plugins.ml2.managers   File "/usr/lib/python2.7/dist-packages/networking_ovn/ml2/mech_driver.py", line 556, in create_port_postcommit
2017-01-21 15:33:42.240 10877 ERROR neutron.plugins.ml2.managers     self.create_port_in_ovn(port, ovn_port_info)
2017-01-21 15:33:42.240 10877 ERROR neutron.plugins.ml2.managers   File "/usr/lib/python2.7/dist-packages/networking_ovn/ml2/mech_driver.py", line 657, in create_port_in_ovn
2017-01-21 15:33:42.240 10877 ERROR neutron.plugins.ml2.managers     if_exists=False))
2017-01-21 15:33:42.240 10877 ERROR neutron.plugins.ml2.managers   File "/usr/lib/python2.7/dist-packages/neutron/agent/ovsdb/api.py", line 76, in __exit__
2017-01-21 15:33:42.240 10877 ERROR neutron.plugins.ml2.managers     self.result = self.commit()
2017-01-21 15:33:42.240 10877 ERROR neutron.plugins.ml2.managers   File "/usr/lib/python2.7/dist-packages/neutron/agent/ovsdb/impl_idl.py", line 77, in commit
2017-01-21 15:33:42.240 10877 ERROR neutron.plugins.ml2.managers     raise result.ex
2017-01-21 15:33:42.240 10877 ERROR neutron.plugins.ml2.managers RuntimeError: Address set as_ip4_c67f0b5b_ce6f_4a82_aa48_803f00b15300 does not exist. Can't update addresses
2017-01-21 15:33:42.240 10877 ERROR neutron.plugins.ml2.managers
2017-01-21 15:33:42.241 10877 ERROR neutron.plugins.ml2.plugin [req-fee0a2c8-b205-4e1e-8756-026880fe84cd 44ea98f941ce412d999b3c3dd7fe1dad afc5c0f383314e74bdd6bf1e3afbf509 - - -] mechanism_manager.create_port_postcommit failed, deleting port 'e7bacb43-499b-431e-895f-2dadc9edc70b'
2017-01-21 15:33:42.241 10877 DEBUG neutron.plugins.ml2.plugin [req-fee0a2c8-b205-4e1e-8756-026880fe84cd 44ea98f941ce412d999b3c3dd7fe1dad afc5c0f383314e74bdd6bf1e3afbf509 - - -] Deleting port e7bacb43-499b-431e-895f-2dadc9edc70b _pre_delete_port /usr/lib/python2.7/dist-packages/neutron/plugins/ml2/plugin.py:1568
2017-01-21 15:33:42.241 10877 DEBUG neutron.callbacks.manager [req-fee0a2c8-b205-4e1e-8756-026880fe84cd 44ea98f941ce412d999b3c3dd7fe1dad afc5c0f383314e74bdd6bf1e3afbf509 - - -] Notify callbacks [('neutron.db.l3_db._prevent_l3_port_delete_callback--9223363294117760621', <function _prevent_l3_port_delete_callback at 0x7f393bbf1938>)] for port, before_delete _notify_loop /usr/lib/python2.7/dist-packages/neutron/callbacks/manager.py:142
2017-01-21 15:33:42.307 10877 DEBUG neutron.plugins.ml2.plugin [req-fee0a2c8-b205-4e1e-8756-026880fe84cd 44ea98f941ce412d999b3c3dd7fe1dad afc5c0f383314e74bdd6bf1e3afbf509 - - -] Calling delete_port for e7bacb43-499b-431e-895f-2dadc9edc70b owned by  delete_port /usr/lib/python2.7/dist-packages/neutron/plugins/ml2/plugin.py:1627
2017-01-21 15:33:42.312 10878 DEBUG neutron.wsgi [-] (10878) accepted ('192.168.101.14', 42334) server /usr/lib/python2.7/dist-packages/eventlet/wsgi.py:867
2017-01-21 15:33:42.334 10877 DEBUG neutron.ipam.driver [req-fee0a2c8-b205-4e1e-8756-026880fe84cd 44ea98f941ce412d999b3c3dd7fe1dad afc5c0f383314e74bdd6bf1e3afbf509 - - -] Loading ipam driver: internal get_instance /usr/lib/python2.7/dist-packages/neutron/ipam/driver.py:51
2017-01-21 15:33:42.399 10877 DEBUG neutron.callbacks.manager [req-fee0a2c8-b205-4e1e-8756-026880fe84cd 44ea98f941ce412d999b3c3dd7fe1dad afc5c0f383314e74bdd6bf1e3afbf509 - - -] Notify callbacks [('neutron.db.l3_dvrscheduler_db._notify_port_delete-8742736249213', <function _notify_port_delete at 0x7f393b0417d0>), ('neutron.db.l3_db._notify_routers_callback-8742737015195', <function _notify_routers_callback at 0x7f393bbf19b0>), ('neutron.api.rpc.agentnotifiers.dhcp_rpc_agent_api.DhcpAgentNotifyAPI._native_event_send_dhcp_notification--9223372036847063562', <bound method DhcpAgentNotifyAPI._native_event_send_dhcp_notification of <neutron.api.rpc.agentnotifiers.dhcp_rpc_agent_api.DhcpAgentNotifyAPI object at 0x7f393b822ed0>>)] for port, after_delete _notify_loop /usr/lib/python2.7/dist-packages/neutron/callbacks/manager.py:142
2017-01-21 15:33:42.452 10877 DEBUG oslo_messaging._drivers.amqpdriver [req-fee0a2c8-b205-4e1e-8756-026880fe84cd 44ea98f941ce412d999b3c3dd7fe1dad afc5c0f383314e74bdd6bf1e3afbf509 - - -] CAST unique_id: 60977bc220f74563a7eaae71ccb73458 exchange 'neutron' topic 'dhcp_agent' _send /usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:448
2017-01-21 15:33:42.454 10877 DEBUG neutron.agent.ovsdb.impl_idl [-] Running txn command(idx=0): DelLSwitchPortCommand(lport=e7bacb43-499b-431e-895f-2dadc9edc70b, if_exists=True, lswitch=neutron-83a25bd6-494b-4d9d-ba74-e824a8efb826) do_commit /usr/lib/python2.7/dist-packages/neutron/agent/ovsdb/impl_idl.py:98
2017-01-21 15:33:42.454 10877 DEBUG neutron.agent.ovsdb.impl_idl [-] Running txn command(idx=1): DelACLCommand(lport=e7bacb43-499b-431e-895f-2dadc9edc70b, if_exists=True, lswitch=neutron-83a25bd6-494b-4d9d-ba74-e824a8efb826) do_commit /usr/lib/python2.7/dist-packages/neutron/agent/ovsdb/impl_idl.py:98
2017-01-21 15:33:42.455 10877 DEBUG neutron.agent.ovsdb.impl_idl [-] Running txn command(idx=2): UpdateAddrSetCommand(if_exists=True, name=as_ip4_c67f0b5b_ce6f_4a82_aa48_803f00b15300, addrs_remove=['10.1.0.10'], addrs_add=None) do_commit /usr/lib/python2.7/dist-packages/neutron/agent/ovsdb/impl_idl.py:98
2017-01-21 15:33:42.455 10877 DEBUG neutron.agent.ovsdb.impl_idl [-] Transaction caused no change do_commit /usr/lib/python2.7/dist-packages/neutron/agent/ovsdb/impl_idl.py:125
2017-01-21 15:33:42.456 10877 DEBUG oslo_messaging._drivers.amqpdriver [req-fee0a2c8-b205-4e1e-8756-026880fe84cd 44ea98f941ce412d999b3c3dd7fe1dad afc5c0f383314e74bdd6bf1e3afbf509 - - -] CAST unique_id: dce8a7a52f124e67b6d560161fdadbc5 FANOUT topic 'q-agent-notifier-port-delete' _send /usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:437
2017-01-21 15:33:42.457 10877 DEBUG oslo_messaging._drivers.amqpdriver [req-fee0a2c8-b205-4e1e-8756-026880fe84cd 44ea98f941ce412d999b3c3dd7fe1dad afc5c0f383314e74bdd6bf1e3afbf509 - - -] CAST unique_id: c06beb82484349fcacbde728d78914ac FANOUT topic 'q-agent-notifier-security_group-update' _send /usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:437
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource [req-fee0a2c8-b205-4e1e-8756-026880fe84cd 44ea98f941ce412d999b3c3dd7fe1dad afc5c0f383314e74bdd6bf1e3afbf509 - - -] create failed: No details.
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource Traceback (most recent call last):
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/api/v2/resource.py", line 79, in resource
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     result = method(request=request, **args)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/api/v2/base.py", line 430, in create
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     return self._create(request, body, **kwargs)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/db/api.py", line 88, in wrapped
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     setattr(e, '_RETRY_EXCEEDED', True)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     self.force_reraise()
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/db/api.py", line 84, in wrapped
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_db/api.py", line 151, in wrapper
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     ectxt.value = e.inner_exc
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     self.force_reraise()
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_db/api.py", line 139, in wrapper
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/db/api.py", line 124, in wrapped
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     traceback.format_exc())
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     self.force_reraise()
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/db/api.py", line 119, in wrapped
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     return f(*dup_args, **dup_kwargs)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/api/v2/base.py", line 543, in _create
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     obj = do_create(body)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/api/v2/base.py", line 525, in do_create
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     request.context, reservation.reservation_id)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     self.force_reraise()
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/api/v2/base.py", line 518, in do_create
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     return obj_creator(request.context, **kwargs)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/common/utils.py", line 756, in inner
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     return f(self, context, *args, **kwargs)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/db/api.py", line 159, in wrapped
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     return method(*args, **kwargs)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/db/api.py", line 88, in wrapped
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     setattr(e, '_RETRY_EXCEEDED', True)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     self.force_reraise()
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/db/api.py", line 84, in wrapped
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_db/api.py", line 151, in wrapper
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     ectxt.value = e.inner_exc
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     self.force_reraise()
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_db/api.py", line 139, in wrapper
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     return f(*args, **kwargs)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/db/api.py", line 124, in wrapped
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     traceback.format_exc())
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     self.force_reraise()
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/db/api.py", line 119, in wrapped
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     return f(*dup_args, **dup_kwargs)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/plugin.py", line 1287, in create_port
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     self.delete_port(context, result['id'], l3_port_check=False)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     self.force_reraise()
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/plugin.py", line 1282, in create_port
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     self.mechanism_manager.create_port_postcommit(mech_context)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/managers.py", line 671, in create_port_postcommit
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     self._call_on_drivers("create_port_postcommit", context)
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/managers.py", line 451, in _call_on_drivers
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource     errors=errors
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource MechanismDriverError
2017-01-21 15:33:42.468 10877 ERROR neutron.api.v2.resource
2017-01-21 15:33:42.471 10877 INFO neutron.wsgi [req-fee0a2c8-b205-4e1e-8756-026880fe8


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